PBX型炸药3D打印喷射理论与仿真分析

方 健; 胡 桥; 刘 玥; 王朝晖

doi:10.11993/j.issn.2096-3920.2018.02.007

PBX型炸药3D打印喷射理论与仿真分析

doi: 10.11993/j.issn.2096-3920.2018.02.007

方健^1,2,3,
胡桥^1,2,3,
刘玥^1,2,3,
王朝晖^1,2,3

1.
西安交通大学机械工程学院, 陕西西安, 710049
2.
西安交通大学机械制造系统工程国家重点实验室,陕西西安, 710049
3.
陕西省智能机器人重点实验室, 陕西西安, 710049

基金项目: 国家自然科学基金“用于食品安全检测的声表面波微流控系统”项目资助(51575441)

详细信息

作者简介:
方健(1991-), 男, 在读硕士, 主要研究方向为智能制造、火炸药3D打印等.

中图分类号: TJ6; TJ55; TH441
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- 文章访问数: 523
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- 被引次数: 0
出版历程
- 收稿日期: 2017-11-20
- 修回日期: 2018-01-09
- 刊出日期: 2018-05-08

3D Printing Injection Theory and Simulation Analysis of PBX Explosive

FANG Jian^1,2,3,
HU Qiao^1,2,3,
LIU Yue^1,2,3,
WANG Chao-hui^1,2,3

1.
School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
2.
State Key Laboratory of Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710049, China
3.
Shaanxi Key Laboratory of Intelligent Robots, Xi’an Jiaotong University, Xi’an 710049, China

摘要

摘要: 为了解决PBX型炸药传统成型耗费时间长、过程复杂、控制因素多、异型产品成型困难等问题, 提出了一种新的3D打印喷射成型方法。该方法基于3D打印喷射理论, 通过高精度喷射机构将待成型材料喷射到基板上, 逐点堆积, 三维成型。文中对单个微滴与基板接触、微滴堆积进行了理论建模, 界定了火炸药成型表面粗糙度的影响因素, 使用Fluent软件对喷射过程进行仿真分析, 得出主要因素为喷嘴直径、撞针行程与驱动压力, 最后设计正交实验确定各影响因素的关系, 证明了仿真结果与理论分析一致。该结果为PBX型炸药新的一体化加工成型提供了理论和方法支撑。
- PBX型炸药 /
- 3D打印喷射 /
- 表面粗糙度
Abstract: To solve the problems in conventional shaping of PBX explosive, such as long time consumption, complex process, many control factors, and difficult forming of special-shapes, a novel 3D printing injection molding method is proposed based on the theory of 3D printing injection. The material to be formed is injected onto the substrate by the high precision injection mechanism, stacking point by point until a three-dimensional shape is obtained. In this paper, a theoretical model of single droplet contacting with substrate and droplet accumulation is established, and the factors influencing the surface roughness of the formed explosive are defined. These main factors, such as the nozzle diameter the striker stroke and the driving pressure, influencing the injection are found by simulation analysis using the software Fluent. In addition, orthogonal experiments are designed to determine the relationship among the factors, hence the simulation results are proved to be consistent with the theoretical analysis. This study may provide theoretical and methodological supports for integrated shaping of PBX explosive.
- PBX explosive /
- 3D printing injection /
- surface roughness

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参考文献(12)

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